Abstract

Abstract. In recent years there has been a great effort by the agents of the AECO sector aimed at an efficient use of data interoperability between the participating disciplines and the applicability in the specific software. In this context, the BIM (Building Information Modeling) methodology, moves in a collaborative data management environment to monitor and control the design, planning, cost control, construction processes. and building maintenance. But to enjoy the benefits of BIM in its fifth dimension (5D), cost and time savings, it is essential to properly plan each phase of the project and manage the information effectively within the same team.Therefore, this research aims to validate an effective method for the creation of the information of a constructive entity using codes, disaggregated by budget line items, necessary for the mapping of data in the structure of the IFC file (Industry Foundation Classes) and the confrontation with the filtering rules in quantification programs, in 1 to 1 relationship. Under normal conditions, the item to be measured would have a quality or parameter that distinguishes it from another item. All elements are mapped following an IFC structure using the eCOB standard. This information will be collected in the quantification program to compare it with the information established in the rule corresponding to each item.The analyzed and tested method, based on a proper structuring and classification of data of the elements that make up the BIM model, has been productive and efficient in avoiding random decision-making by the operator who analyzes the quantifications and that may lead to errors or inaccuracies when applying the metric. The result of the study shows that the combinations of parameters, influences by the possible variables of the constructive element, can be considerably reduced. The percentage of rules would decrease by a ratio of 17/120 in the IFC information mapping process to be validated in quantification and valuation software, improving data exchange and interoperability in an international environment.

Highlights

  • 1.1 BackgroundThe approach to efficient and sustainable construction involves eliminating barriers inherited from past methodologies

  • The structuring of the virtual construction process of the building or construction event must be perfected - 3D BIM modeling - and that, in turn, can incorporate the associated data depending on the specific category that it must satisfy; but without forgetting that it must flow adequately between the digital systems involved

  • It was decided to work through an Open BIM workflow for time and cost management (5D), choosing CYPE's Quantities software to support the amounts provided by ArchiCAD's BIM model

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Summary

Background

The approach to efficient and sustainable construction involves eliminating barriers inherited from past methodologies. The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XLVI-5/W1-2022 Measurement, Visualisation and Processing in BIM for Design and Construction Management II, 7–8 Feb. 2022, Prague, Czech Republic adequate quantities for the processes and facilitate data interoperability between specialists Some authors such as (Monteiro and Poças Martins, 2013) conclude that it is feasible to adapt the model to extract quantities according to specifications for established manual measurements, the adjustments are not without implications in other applications of the model, such as visualization or drawings

The IFC format
The 5D BIM applications
Open BIM 5D workflow
General Instructions
METHODOLOGY
Case study
Parametric modeling
Classification
Properties for quantities
IFC mapping
Interoperability of quantities
CONCLUSIONS
Full Text
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